MILAN — Over lunch at the Emporio Armani Caffe on Thursday, people were still discussing the previous evening at La Scala — an invitation-only performance by Vittorio Grigolo, an Italian tenor who moved from operatic aria to the almost cheesy ‘O Solo Mio’ with such enticing drama that he earned 20 minutes worth of encores with Giorgio Armani, Graydon Carter and Anna Wintour standing in his front row. The love fest ended only when the singer gestured with his hands toward his mouth, as though to eat dinner.

“He’s an actor!” said Roberta Armani, Mr. Armani’s niece, of the singer’s renditions. “Wasn’t it wonderful?”

Later on Thursday, the second day of Milan’s fashion week, Miuccia Prada showed yet another jackpot of a collection that will be remembered both for her playful references to lingerie — bras embroidered onto coats and dresses with beads and sequins — and to murals by several contemporary artists including one who goes by the name of Stinkfish (which perhaps sounds more enticing in Italian.) Artistic renderings of women’s faces were memorably festooned onto clothing and handbags using whatever material was at hand, including dyed fur.